Home / 162,180.80-243,331.68-99,130.40

Finding the Fourth Proportional to 162,180.80, 243,331.68 and 99,130.40

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Solution

The fourth proportional to 162,180.80, 243,331.68 and 99,130.40 is: 148,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,180.80 : 243,331.68 = 99,130.40 : x
  2. Step 2: Convert to fraction form
    162,180.80/243,331.68 = 99,130.40/x
  3. Step 3: Cross multiply
    162,180.80x = 243,331.68 × 99,130.40
  4. Step 4: Simplify right side
    162,180.80x = 24,121,566,771.07
  5. Step 5: Solve for x
    x = 24,121,566,771.07/162,180.80
  6. Step 6: Final answer
    x = 148,732.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.